For every single game-changing beauty hack that goes viral on TikTok, there's one more that makes us wonder if the DIY movement has gone a bridge also far. And at-home plasma pen treatments drop directly in the last camp.

Even if you're not knowledgeable about the device itself, if you consistently engage with skin care content on TikTok, it's extremely feasible you've seen the outcomes of one: Plasma pens leave pinhead-size markings on the skin. Those who receive full-face treatments…